Ice & Water Shield Calculator
Calculate the Amount of Ice Barrier Needed for Your Roof
Understanding Ice & Water Shield Installation
What is Ice & Water Shield?
Ice and water shield is a self-adhering waterproof membrane installed under roofing materials to prevent water damage from ice dams and wind-driven rain. It's particularly important in cold climates where ice dams are common.
Installation Requirements
- Must extend from the edge of the roof to at least 24 inches past the interior wall line
- Should be installed along eaves, valleys, and other vulnerable areas
- Typical coverage is 36 inches wide with varying lengths
- Installation should comply with local building codes